Finding the Fourth Proportional to 92,682.76, 139,058.94 and 42,786.76

Step by Step Solution

1. Step 1: Write the proportion equation
   92,682.76 : 139,058.94 = 42,786.76 : x
2. Step 2: Convert to fraction form
   92,682.76/139,058.94 = 42,786.76/x
3. Step 3: Cross multiply
   92,682.76x = 139,058.94 × 42,786.76
4. Step 4: Simplify right side
   92,682.76x = 5,949,881,491.63
5. Step 5: Solve for x
   x = 5,949,881,491.63/92,682.76
6. Step 6: Final answer
   x = 64,196.21